btree/oid8_ops (class)

B-tree operator class for oid8; member of oid8_ops.

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Object kind: Operator class
Index AM: B-tree
Input type: oid8
Stored key type: Same as input type (catalog zero)
Default class: yes
aliases: oid8_ops, btree/oid8_ops
classes: map[default:t family:oid8_ops family_slug:family-btree-oid8_ops input_type:oid8 key_type:none method:btree name:oid8_ops slug:class-btree-oid8_ops source_oid:8285]
signature: btree/oid8_ops
source oid: 8285

版本定义 PG 20

B-tree operator class for oid8; member of oid8_ops.

Family operator strategies

Operator overload	Strategy	Purpose	Membership scope	Source description
<(oid8,oid8)	1	search	Class input pair	less than
<=(oid8,oid8)	2	search	Class input pair	less than or equal
=(oid8,oid8)	3	search	Class input pair	equal
>=(oid8,oid8)	4	search	Class input pair	greater than or equal
>(oid8,oid8)	5	search	Class input pair	greater than

Family support functions

Support number	Left type	Right type	Function signature	Result type
1	oid8	oid8	btoid8cmp(oid8,oid8)	int4
2	oid8	oid8	btoid8sortsupport(internal)	void
4	oid8	oid8	btequalimage(oid)	bool
6	oid8	oid8	btoid8skipsupport(internal)	void

Classes in this family

Class	Input type	Key type	Default
oid8_ops	oid8	Same as input type	yes

比较版本

完整来源事实

class

{"default":"t","family":"oid8_ops","input_type":"oid8","key_type":"none","method":"btree","name":"oid8_ops"}

operators

map[description:less than family:oid8_ops family_slug:family-btree-oid8_ops left_type:oid8 method:btree operator:<(oid8,oid8) operator_slug:op-3c-oid8-oid8 purpose:search result_type:bool right_type:oid8 sort_family: sort_family_slug: strategy:1], map[description:less than or equal family:oid8_ops family_slug:family-btree-oid8_ops left_type:oid8 method:btree operator:<=(oid8,oid8) operator_slug:op-3c3d-oid8-oid8 purpose:search result_type:bool right_type:oid8 sort_family: sort_family_slug: strategy:2], map[description:equal family:oid8_ops family_slug:family-btree-oid8_ops left_type:oid8 method:btree operator:=(oid8,oid8) operator_slug:op-3d-oid8-oid8 purpose:search result_type:bool right_type:oid8 sort_family: sort_family_slug: strategy:3], map[description:greater than or equal family:oid8_ops family_slug:family-btree-oid8_ops left_type:oid8 method:btree operator:>=(oid8,oid8) operator_slug:op-3e3d-oid8-oid8 purpose:search result_type:bool right_type:oid8 sort_family: sort_family_slug: strategy:4], map[description:greater than family:oid8_ops family_slug:family-btree-oid8_ops left_type:oid8 method:btree operator:>(oid8,oid8) operator_slug:op-3e-oid8-oid8 purpose:search result_type:bool right_type:oid8 sort_family: sort_family_slug: strategy:5]

support functions

map[family:oid8_ops family_slug:family-btree-oid8_ops function:btoid8cmp(oid8,oid8) left_type:oid8 method:btree number:1 result_type:int4 right_type:oid8], map[family:oid8_ops family_slug:family-btree-oid8_ops function:btoid8sortsupport(internal) left_type:oid8 method:btree number:2 result_type:void right_type:oid8], map[family:oid8_ops family_slug:family-btree-oid8_ops function:btequalimage(oid) left_type:oid8 method:btree number:4 result_type:bool right_type:oid8], map[family:oid8_ops family_slug:family-btree-oid8_ops function:btoid8skipsupport(internal) left_type:oid8 method:btree number:6 result_type:void right_type:oid8]

来源引用

完整定义与证据 JSON

定义来源

center · PostgreSQL 20 · 4d3346909b201ac1648232cf290462a7070c119326f56196f1f0253ed80fae41

正文语言: en · 4d3346909b201ac1648232cf290462a7070c119326f56196f1f0253ed80fae41